I was going to say IR, but you guys have talked me into activating him.
I'd hestitate to release a guy who's been with the team all season, has been getting live reps, knows how to get open, and is cool with a minor role on the team. I'm referring to Gaffney. I also don't want the Colts to pick him up, which would almost certainly happen if another team didn't claim him first. I don't care how small the edge would be, he would definitely be an asset to the other teams in the league.
It looks like Mitchell has lost his spot in the return game to Kyle Eckel, and Rashard Baker plays more at safety than Mitchell did, so I'm guessing Mitchell goes to IR.
Frankly, I'd love to see if Kelley Washington can play some TE if necessary so we can get rid of Rivers. Use Washington in emergency in passing situations, and use Hochstein in blocking situations.